Popped the block

[Davidwarren]

Popped the block at the track today. 133 laps in, looks like cylinder 2 blew.

 

[Brule]

Original bearings or have you set it up with larger clearances?

 

[doublespaces]

Now you can be as fast as an RS3

 

[Davidwarren]

Original bearings or have you set it up with larger clearances?

Had the RB done earlier this year with the coated VAC bearings. Proper clearances.

 

[rac]

133 laps equates to how long in minutes? sounds like a pretty serious amount of continuous track work!? or 133 laps accumulated on this engine?

what fuel, how much boost, type of engine oil, water and oil temps, and did you log engine oil pressure and/or run an accusump?

 

[ShocknAwe]

Ouch. Sorry to hear the cars down. What are your plans?

 

[doublespaces]

Yeah jokes aside what have you decided? Seems like this typically boils down to install replacement stock block, build engine, part out or fix and flip

 

[Davidwarren]

Yeah jokes aside what have you decided? Seems like this typically boils down to install replacement stock block, build engine, part out or fix and flip

Either rebuilt n54 or ls swap. Haven’t decided. Just got home.

 

[Davidwarren]

133 laps equates to how long in minutes? sounds like a pretty serious amount of continuous track work!? or 133 laps accumulated on this engine?

what fuel, how much boost, type of engine oil, water and oil temps, and did you log engine oil pressure and/or run an accusump?

132 laps Friday from 9-3:30, breaks for lunch and gas. 93 pump, pure S2, custom tune ~18lbs, liquimoly, water maxed at 103C, oil temp gauge at 260 at the hottest, have an accumulator but didn’t install it yet. Ambient topped out at 85, about 92 on track. My dad was the only car that could pass me in his ZR1.

 

[The Convert]

Either rebuilt n54 or ls swap. Haven’t decided. Just got home.

Please LS swap! Would love to see more creative builds like that on this platform.

 

[Davidwarren]

Video of it popping is on the FB page.

 

[doublespaces]

Upload to YouTube and post here

 

[Davidwarren]

Upload to YouTube and post here

That’s the swan song

earlier in the morning-

 

[doublespaces]

Seems to have really went downhill at 15 secs on your lap timer.

 

[The Convert]

Seems to have really went downhill at 15 secs on your lap timer.

Long right hand sweepers are oil supply/pressure killers, no? I wonder if the pan had a baffle installed?

 

[Davidwarren]

Long right hand sweepers are oil supply/pressure killers, no? I wonder if the pan had a baffle installed?

Yup. I even bought an accumulator but hadn’t installed it yet

 

[The Convert]

Yup. I even bought an accumulator but hadn’t installed it yet

Damn. Well, I’m certainly interested to see an LS, or LT, swap. I vote LT4.

 

[Jeffman]

Yup. I even bought an accumulator but hadn’t installed it yet

Sorry about that, David.
Do you think the story would have ended differently if you had installed the accumulator?

 

[rev210]

Baffled sump?

 

[JimboFresh206]

That last nearly 1g sweeper, I swear you can hear it knock right after that.